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Published online 5 November 2008 | Nature 456, 11 (2008) | doi:10.1038/456011a

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How to get the most from a gene test

New tools squeeze more research out of personal genomics.

According to two commercial gene-testing services — 23andMe and deCODEme — US Army medic Timothy Richard Gall of Fort Belvoir, Virginia, has a higher-than-average risk of basal cell carcinoma, type 2 diabetes and psoriasis. But much more enlightening than these results, which cost Gall more than $1,400, was a free online program called Promethease that he used to further analyse the data.

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